----- Original Message -----
From: "Josh Berkus" <[EMAIL PROTECTED]>
To: "Insyde" <[EMAIL PROTECTED]>; <[EMAIL PROTECTED]>
Sent: Sunday, February 02, 2003 6:28 PM
Subject: Re: [BUGS] Problem when adding an existing primary key
> Ricardo,
>
> > When I try to insert via application a registry that already exists
> > Postgres shows an error "Unable to insert duplicate primary key on
index
> > 'index' ". I think it's an error, because I would treat this error, just
> > like others.
>
> You're getting that message becuase you are trying to insert a value into
the
> PK column which is a duplicate of a value already present. This is not
> permitted ... definitionally, primary keys must be unique.
>
> In other words, the above is a valid error message being sent to you
because
> you violated a table constraint.
>
> If there is more to the story than that, I suggest that you post your
problems
> to the PGSQL-NOVICE mailing list, where other users will help you fix your
> queries. For that matter, I believe that there are other Brazillians on
some
> of the other mailing lists (you could try PGSQL-GENERAL as well), which
would
> spare you the pain of translating your questions.
>
> --
> Josh Berkus
> Aglio Database Solutions
> San Francisco
But what if I have a program and I want to show and error message to the
user saying
something like: "This registry already exists" and simply don't add?
Instead, Postgres is
closing the application! This should not happen. If I've got this message
using psql OK,
but inside my programs I should control the messages I what to display to
the user, don't
you think? Or, every time the user forget and insert a duplicated primary
key, he will be
obbligated to see postgres message?
Ricardo.
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